Chess South Africa Ratings Database

PLAYER PAGE

Personal

Hardneck, K (Kai Michaela)

Chess SA id

2160322928

FIDE id

Date of birth

2016-02-25 (U10)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1212.9	1220.9	1204.2	1200
Raw rating	1212.9	1220.9	1180.4	1200
Weighted rating	1204.1	1201.7	1204.2	1200
Weighted performance	0	0	0	0
Floor	712.9	720.9	720	700
K-factor	36	36	36	36
Min/Max rating change allowed	162.8	161	170.5	165.8
Highest rating	1212.9 2025-11-01	1220.9 2025-11-01	1220 2025-07-01	1200 2025-07-01
Highest raw rating	1212.9 2025-11-01	1220.9 2025-11-01	1220 2025-07-01	1200 2025-07-01
Highest weighted rating	1204.1 2025-11-01	1201.7 2025-11-01	1204.2 2025-11-01	1200 2025-07-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-1.8	0
New rating	1212.9	1220.9	1202.4	1200
Analysis
Rating	1212.9	1220.9	1204.2	1200
Raw rating	1212.9	1220.9	1180.4	1200
Weighted rating	1204.1	1201.7	1204.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	712.9	720.9	720	700
Max/Min rating change allowed	162.8	161	170.5	165.8
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1212.9	1220.9	1180.4	1200
New weighted rating	1205	1203.3	1202.4	1200
New weighted performance	0	0	0	0
Temp new rating	1212.9	1220.9	1202.4	1200
Temp new rating +/-	0	0	-1.8	0
Final new rating +/-	0	0	-1.8	0
New rating	1212.9	1220.9	1202.4	1200
New K-factor	36	36	36	36
New floor	712.9	720.9	720	700

Item	Main	Standard	Rapid
	0	0	0
	15	5	10
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	15	5	10

Games since
	Main 15	Standard 5		Rapid 10		Blitz 0
Gender	Female
Age group	U10
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	15	7.5	50	0	1208.5	1208.5
Standard	5	3	60	85	1226.4	1311.4
Rapid	10	4.5	45	-42.5	1199.5	1157
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	15	7.5	50	0	1208.5	1208.5
Standard	5	3	60	85	1226.4	1311.4
Rapid	10	4.5	45	-42.5	1199.5	1157
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1212.9	1220.9	1180.4	1200
2025-09-30	1210.9	1200	1220	1200
2025-09-01	1210.9	1200	1220	1200
2025-08-01	1210.9	1200	1220	1200
2025-07-01	1210.9	1200	1220	1200
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Closed Somerset College Chess Tournament 2025 (U9)	2025-09-12	2025-09-12	Rapid	Cape Town (WCT)	5	4	1	Yes	Analysis
2	Grant East Annual Primary School Invitational Chess Tournament 2025 (U9 Girls)	2025-10-18	2025-10-18	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
3	Cape Winelands Queens 2025 (Development)	2025-06-21	2025-06-21	Rapid	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Closed Somerset College Chess Tournament 2025 (U9)	2025-09-12	2025-09-12	Rapid	Cape Town (WCT)	5	4	1	Yes	Analysis
2	Grant East Annual Primary School Invitational Chess Tournament 2025 (U9 Girls)	2025-10-18	2025-10-18	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
3	Cape Winelands Queens 2025 (Development)	2025-06-21	2025-06-21	Rapid	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Grant East Annual Primary School Invitational Chess Tournament 2025				Tournament Grant East Annual Primary School Invitational Chess Tournament 2025
		date 2025-10-18	rnd 4	type Standard	result 1	date 2025-10-18	rnd 5	type Standard	result 1
		Opponent Putter, E (Elizabeth)				Opponent Adonis, Q (Quinn)
2	2	Tournament Closed Somerset College Chess Tournament 2025				Tournament Grant East Annual Primary School Invitational Chess Tournament 2025
		date 2025-09-12	rnd 5	type Rapid	result 1	date 2025-10-18	rnd 1	type Standard	result 1
		Opponent Tuna, B (Benjamin)				Opponent Prinsloo, E (Ella-Mae)
3	2	Tournament Cape Winelands Queens 2025				Tournament Cape Winelands Queens 2025
		date 2025-06-21	rnd 1	type Rapid	result 1	date 2025-06-21	rnd 2	type Rapid	result 0.5
		Opponent Adams, R (Royalty)				Opponent Coetzee, I (Ineke)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Cape Winelands Queens 2025				Tournament Cape Winelands Queens 2025
		date 2025-06-21	rnd 1	type Rapid	result 1	date 2025-06-21	rnd 2	type Rapid	result 0.5
		Opponent Adams, R (Royalty)				Opponent Coetzee, I (Ineke)
2	1	Tournament Cape Winelands Queens 2025				Tournament Cape Winelands Queens 2025
		date 2025-06-21	rnd 6	type Rapid	result 1	date 2025-06-21	rnd 6	type Rapid	result 1
		Opponent Van Der Westhuizen, F (Famke)				Opponent Van Der Westhuizen, F (Famke)
3	1	Tournament Cape Winelands Queens 2025				Tournament Cape Winelands Queens 2025
		date 2025-06-21	rnd 4	type Rapid	result 1	date 2025-06-21	rnd 4	type Rapid	result 1
		Opponent Pietersen, N (Naylin)				Opponent Pietersen, N (Naylin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Cape Winelands Queens 2025				Tournament Cape Winelands Queens 2025
		date 2025-06-21	rnd 6	type Rapid	result 1	date 2025-06-21	rnd 6	type Rapid	result 1
		Opponent Van Der Westhuizen, F (Famke)				Opponent Van Der Westhuizen, F (Famke)
2	1	Tournament Cape Winelands Queens 2025				Tournament Cape Winelands Queens 2025
		date 2025-06-21	rnd 4	type Rapid	result 1	date 2025-06-21	rnd 4	type Rapid	result 1
		Opponent Pietersen, N (Naylin)				Opponent Pietersen, N (Naylin)
3	1	Tournament Cape Winelands Queens 2025				Tournament Cape Winelands Queens 2025
		date 2025-06-21	rnd 1	type Rapid	result 1	date 2025-06-21	rnd 1	type Rapid	result 1
		Opponent Adams, R (Royalty)				Opponent Adams, R (Royalty)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Cape Winelands Queens 2025				Tournament Cape Winelands Queens 2025
		date 2025-06-21	rnd 6	type Rapid	result 1	date 2025-06-21	rnd 6	type Rapid	result 1
		Opponent Van Der Westhuizen, F (Famke)				Opponent Van Der Westhuizen, F (Famke)
2	1	Tournament Cape Winelands Queens 2025				Tournament Cape Winelands Queens 2025
		date 2025-06-21	rnd 4	type Rapid	result 1	date 2025-06-21	rnd 4	type Rapid	result 1
		Opponent Pietersen, N (Naylin)				Opponent Pietersen, N (Naylin)
3	1	Tournament Cape Winelands Queens 2025				Tournament Cape Winelands Queens 2025
		date 2025-06-21	rnd 1	type Rapid	result 1	date 2025-06-21	rnd 1	type Rapid	result 1
		Opponent Adams, R (Royalty)				Opponent Adams, R (Royalty)

No games found.

#	Games	Start				End

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Prinsloo ,E (Ella-Mae)	1	1	425	1	1	425	0	0	0	0	0	0
1	Prinsloo ,E (Ella-Mae)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Adonis ,Q (Quinn)	1	1	425	1	1	425	0	0	0	0	0	0
2	Adonis ,Q (Quinn)	1	1218	1643	1	1219.1	1643	0	0	0	0	0	0
3	Putter ,E (Elizabeth)	1	1	425	1	1	425	0	0	0	0	0	0
3	Putter ,E (Elizabeth)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	De Bruyn ,L (Lana)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	De Bruyn ,L (Lana)	1	1235.9	810.9	1	1231.5	810.9	0	0	0	0	0	0
5	Crafford ,SL (Sarah Leigh)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Crafford ,SL (Sarah Leigh)	1	1278.2	853.2	1	1262.6	853.2	0	0	0	0	0	0
6	Coetzee ,I (Ineke)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
6	Coetzee ,I (Ineke)	1	1200	1200	0	0	0	1	1200	1200	0	0	0
7	Du Plooy ,L (Lily)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Du Plooy ,L (Lily)	1	1200	775	0	0	0	1	1200	775	0	0	0
8	Blease ,D (Dawson)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Blease ,D (Dawson)	1	1183.1	758.1	0	0	0	1	1166.2	758.1	0	0	0
9	Van Der Westhuizen ,F (Famke)	1	1	425	0	0	0	1	1	425	0	0	0
9	Van Der Westhuizen ,F (Famke)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Adams ,R (Royalty)	1	1	425	0	0	0	1	1	425	0	0	0
10	Adams ,R (Royalty)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Hardneck, K (Kai Michaela)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms